-- forwatable.rb
                                                $Release Version: 1.1 $
                                                $Revision$
                                                $Date$

=begin
= Forwardable

���饹���Ф��᥽�åɤΰѾ���ǽ��������ޤ�.

== �Ȥ���

���饹���Ф���extend���ƻȤ��ޤ�. 
  
  class Foo
    extend Forwardable

    def_delegators("@out", "printf", "print")
    def_delegators(:@in, :gets)
    def_delegator(:@contents, :[], "content_at")
  end
  f = Foo.new
  f.printf ...
  f.gets
  f.content_at(1)

== �᥽�å�

--- Forwardable#def_instance_delegators(accessor, *methods)

      ((|methods|))���Ϥ��줿�᥽�åɤΥꥹ�Ȥ�((|accessor��|))�Ѿ�����
      �褦�ˤ��ޤ�.

--- Forwardable#def_instance_delegator(accessor, method, ali = method)

      ((||method|))���Ϥ��줿�᥽�åɤ�((|accessor|))�˰Ѿ�����褦�ˤ�
      �ޤ�. ((|ali|))�������Ȥ����Ϥ��줿�Ȥ���, �᥽�å�((|ali|))���Ƥ�
      �줿�Ȥ��ˤ�, ((|accessor|))���Ф�((|method|))��ƤӽФ��ޤ�.

--- Forwardable#def_delegators(accessor, *methods)

      ((|Forwardable#def_instance_delegators|))����̾�Ǥ�.

--- Forwardable#def_delegator(accessor, method, ali = method)

      ((|Forwardable#def_instance_delegator|))����̾�Ǥ�.

= SingleForwardable

���֥������Ȥ��Ф�, �᥽�åɤΰѾ���ǽ��������ޤ�.

== �Ȥ���

���֥������Ȥ��Ф���((|extend|))���ƻȤ��ޤ�. 

  g = Goo.new
  g.extend SingleForwardable
  g.def_delegator("@out", :puts)
  g.puts ...

== �᥽�å�

--- SingleForwardable#def_singleton_delegators(accessor, *methods)

      ((|methods|))���Ϥ��줿�᥽�åɤΥꥹ�Ȥ�((|accessor|))�˰Ѿ�����
      �褦�ˤ��ޤ�.

--- SingleForwardable#def_singleton_delegator(accessor, method, ali = method)

      ((|method|))���Ϥ��줿�᥽�åɤ�((|accessor|))�˰Ѿ�����褦�ˤ���
      ��. ((|ali|))�������Ȥ����Ϥ��줿�Ȥ���, �᥽�å�((|ali|))���ƤФ�
      ���Ȥ��ˤ�, ((|accessor|))���Ф�((|method|))��ƤӽФ��ޤ�.

--- SingleForwardable#def_delegators(accessor, *methods)

      ((|SingleForwardable#def_singleton_delegators|))����̾�Ǥ�.

--- SingleForwardable#def_delegator(accessor, method, ali = method)

      ((|SingleForwardable#def_singleton_delegator|))����̾�Ǥ�.
=end